Laravel Docker Permission Error

docker-compose.yml

version: "3"
services:
  web:
    image: nginx:latest
    ports:
      - "8000:80"
    volumes:
        - .:/usr/web/
        - ./site.conf:/etc/nginx/conf.d/default.conf
    links:
        - app
    restart: unless-stopped
  db:
    image: mysql:5.7
    volumes:
      - mysqldata:/var/lib/mysql
    environment:
      - MYSQL_DATABASE=database
      - MYSQL_ROOT_PASSWORD=root
  adminer:
    image: adminer
    restart: always
    ports:
      - "8080:8080"
    environment:
      ADMINER_PLUGINS: "dump-json"
  app:
    build:
      context: .
    volumes:
        - .:/usr/web/
        - ./uploads.ini:/usr/local/etc/php/conf.d/uploads.ini
    restart: unless-stopped
  redis:
    image: redis
    command: ["redis-server", "--appendonly", "yes"]
    hostname: redis
    volumes:
      - redisdata:/data
volumes:
  mysqldata:
  redisdata:

Dockerfile

FROM php:7.3-fpm

RUN apt-get update && apt-get install -y libpng-dev libjpeg-dev libpq-dev libzip-dev git\
    && rm -rf /var/lib/apt/lists/* \
    && docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr \
    && docker-php-ext-install gd mbstring pdo pdo_mysql pdo_pgsql zip bcmath exif

#Get Composer

RUN curl -o /tmp/composer-setup.php https://getcomposer.org/installer \
&& curl -o /tmp/composer-setup.sig https://composer.github.io/installer.sig \
# Make sure we're installing what we think we're installing!
&& php -r "if (hash('SHA384', file_get_contents('/tmp/composer-setup.php')) !== trim(file_get_contents('/tmp/composer-setup.sig'))) { unlink('/tmp/composer-setup.php'); echo 'Invalid installer' . PHP_EOL; exit(1); }" \
&& php /tmp/composer-setup.php --no-ansi --install-dir=/usr/local/bin --filename=composer --snapshot \
&& rm -f /tmp/composer-setup.*

#Get Imagick
RUN export CFLAGS="$PHP_CFLAGS" CPPFLAGS="$PHP_CPPFLAGS" LDFLAGS="$PHP_LDFLAGS" \
    && apt-get update \
    && apt-get install -y --no-install-recommends \
        libmagickwand-dev \
	ghostscript \
	libgs-dev \
    && rm -rf /var/lib/apt/lists/* \
    && pecl install imagick \
&& docker-php-ext-enable imagick

# Create app directory
WORKDIR /usr/web

COPY . .